Caterpillars of the
World - Singapore
Polyura schreiber GODART,
Family - NYMPHALIDAE
subfamily - CHARAXINAE
Tribe - CHARAXINI
There are 24 species in the genus
Polyura, most of which are found in the
Oriental region, although one species
posidonius is restricted to Tibet and west China; 6 or 7 are
endemic to various islands, e.g. andrewsi
from Christmas Island and caphontis
from Fiji; and one, pyrrhus reaches
Polyura schreiber is one of the most
widespread species, being found in India, Sri Lanka, Myanmar,
Thailand, West Malaysia, Singapore, Sumatra, Brunei, Sarawak, Sabah,
Kalimantan, the Philippines and Java.
The caterpillars of
the various species of Nawab butterflies vary in markings, but all
feature a huge head which is adorned with a crown of 4 long horns.
In the case of
Polyura schreiber the caterpillar feeds
on the leaves of Wagatea (
Caesalpiniaceae ), Rourea ( Connaraceae
) and Nephelium ( Sapindaceae ).
are characterised by their distinctive wing shape with twin tails on
the hindwings - a feature strongly reminiscent of the African
Charaxes. Most have dark brown
uppersides with bands of dazzling creamy white which vary in size
and shape from one species to another. These bands are repeated on
the underside, usually in a beautiful shade of pale green. In a few
species such as delphis the underside
is almost entirely white.